DE69020427D1 - Tastenschaltermechanismus mit Membranbetätigungsglied. - Google Patents

Tastenschaltermechanismus mit Membranbetätigungsglied.

Info

Publication number
DE69020427D1
DE69020427D1 DE69020427T DE69020427T DE69020427D1 DE 69020427 D1 DE69020427 D1 DE 69020427D1 DE 69020427 T DE69020427 T DE 69020427T DE 69020427 T DE69020427 T DE 69020427T DE 69020427 D1 DE69020427 D1 DE 69020427D1
Authority
DE
Germany
Prior art keywords
key switch
switch mechanism
membrane actuator
actuator
membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69020427T
Other languages
English (en)
Other versions
DE69020427T2 (de
Inventor
David Allen Bruner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lexmark International Inc
Original Assignee
Lexmark International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lexmark International Inc filed Critical Lexmark International Inc
Application granted granted Critical
Publication of DE69020427D1 publication Critical patent/DE69020427D1/de
Publication of DE69020427T2 publication Critical patent/DE69020427T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/012—Euler spring
DE69020427T 1989-04-28 1990-03-27 Tastenschaltermechanismus mit Membranbetätigungsglied. Expired - Fee Related DE69020427T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/345,068 US4931606A (en) 1989-04-28 1989-04-28 Key switch mechanism and membrane actuator

Publications (2)

Publication Number Publication Date
DE69020427D1 true DE69020427D1 (de) 1995-08-03
DE69020427T2 DE69020427T2 (de) 1996-03-07

Family

ID=23353353

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020427T Expired - Fee Related DE69020427T2 (de) 1989-04-28 1990-03-27 Tastenschaltermechanismus mit Membranbetätigungsglied.

Country Status (7)

Country Link
US (1) US4931606A (de)
EP (1) EP0395561B1 (de)
JP (1) JPH0362426A (de)
AR (1) AR244906A1 (de)
BR (1) BR9001337A (de)
CA (1) CA2009246C (de)
DE (1) DE69020427T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2593409Y2 (ja) * 1992-12-02 1999-04-12 エスエムケイ株式会社 キーボードスイッチ
NZ310969A (en) 1995-06-13 1999-06-29 Mec As Producing an electrical switch by providing a sheet, removing portions, attaching a housing, installing switching and separating portions
US8182023B2 (en) * 2010-03-16 2012-05-22 Sabic Innovative Plastics Ip B.V. Plastically deformable spring energy management systems and methods for making and using the same
USD737436S1 (en) 2012-02-13 2015-08-25 Medimop Medical Projects Ltd. Liquid drug reconstitution assembly
IL219065A0 (en) 2012-04-05 2012-07-31 Medimop Medical Projects Ltd Fluid transfer device with manual operated cartridge release arrangement
ITTO20120749A1 (it) * 2012-08-30 2014-03-01 Bitron Spa Dispositivo di comando per interruttori
WO2014041529A1 (en) 2012-09-13 2014-03-20 Medimop Medical Projects Ltd Telescopic female drug vial adapter
USD765837S1 (en) 2013-08-07 2016-09-06 Medimop Medical Projects Ltd. Liquid transfer device with integral vial adapter
USD767124S1 (en) 2013-08-07 2016-09-20 Medimop Medical Projects Ltd. Liquid transfer device with integral vial adapter
USD757933S1 (en) 2014-09-11 2016-05-31 Medimop Medical Projects Ltd. Dual vial adapter assemblage
USD801522S1 (en) 2015-11-09 2017-10-31 Medimop Medical Projects Ltd. Fluid transfer assembly
US11484470B2 (en) 2019-04-30 2022-11-01 West Pharma. Services IL, Ltd. Liquid transfer device with dual lumen IV spike

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH425357A (de) * 1965-06-29 1966-11-30 Gebert & Cie Nach dem Spritzgussverfahren hergestellte Schraubenfeder und Verwendung derselben
DE6935759U (de) * 1969-09-10 1969-12-11 Standard Elektrik Lorenz Ag Schraubenfeder
US3982081A (en) * 1974-09-04 1976-09-21 Amp Incorporated Keyboard assembly with overlapped flexible printed circuit cable switch
US4118611A (en) * 1977-08-30 1978-10-03 International Business Machines Corporation Buckling spring torsional snap actuator
US4553009A (en) * 1982-09-03 1985-11-12 Oak Industries Inc. Keyboard switch with pivotal actuator lever
US4479040A (en) * 1983-03-07 1984-10-23 Oak Industries Inc. Tactile feel switch with positive switch actuation
US4528431A (en) * 1983-10-03 1985-07-09 International Business Machines Corporation Rocking switch actuator for a low force membrane contact switch
JPS63176836A (ja) * 1987-01-16 1988-07-21 Miura Seisakusho:Kk プラスチツク製コイルばね
SU1424065A1 (ru) * 1987-02-13 1988-09-15 Предприятие П/Я А-1458 Привод исполнительного элемента клавишной чейки
US4859820A (en) * 1988-03-31 1989-08-22 American Telephone And Telegraph Company Quiet key switch

Also Published As

Publication number Publication date
CA2009246C (en) 1994-07-26
EP0395561A2 (de) 1990-10-31
DE69020427T2 (de) 1996-03-07
AR244906A1 (es) 1993-11-30
EP0395561B1 (de) 1995-06-28
EP0395561A3 (de) 1991-03-06
JPH0362426A (ja) 1991-03-18
US4931606A (en) 1990-06-05
CA2009246A1 (en) 1990-10-28
BR9001337A (pt) 1991-04-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee